參數(shù)資料
型號: μPD789104
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機微控制器
文件頁數(shù): 4/48頁
文件大?。?/td> 218K
代理商: ΜPD789104
Preliminary Product Information
4
μ
PD789101, 789102, 789104
FUNCTIONS
Item
μ
PD789101
μ
PD789102
μ
PD789104
Built-in memory
ROM
2 Kbytes
4 Kbytes
8 Kbytes
High-speed RAM
256 bytes
Minimum instruction execution time
0.4/1.6
μ
s (operation with main system clock running at 5.0 MHz)
General-purpose registers
8 bits
×
8 registers
Instruction set
16-bit operations
Bit manipulations (such as set, reset, and test)
Multiplier
8 bits
×
2 = 16 bits
I/O ports
Total of 20 port pins
4 CMOS input pins
12 CMOS input/output pins
4 N-channel open-drain pins (withstand voltage of 12 V)
A/D converters
Four channels with 8-bit resolution
Serial interface
Switchable between three-wire serial I/O and UART modes
Timers
16-bit timer 20
8-bit timer/event counter 80
Watchdog timer
Timer output
One output
Maskable
7 internal and 3 external interrupts
Non-maskable
Internal interrupt
Power supply voltage
V
DD
= 1.8 to 5.5 V
Operating ambient temperature
T
A
= -40 to
+
85 °C
Package
28-pin plastic shrink DIP (400 mil)
30-pin plastic shrink SOP (300 mil)
Vectored interrupt
sources
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